Home / 40,205.23-55,485.89-22,300.99

Finding the Fourth Proportional to 40,205.23, 55,485.89 and 22,300.99

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Solution

The fourth proportional to 40,205.23, 55,485.89 and 22,300.99 is: 30,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.23 : 55,485.89 = 22,300.99 : x
  2. Step 2: Convert to fraction form
    40,205.23/55,485.89 = 22,300.99/x
  3. Step 3: Cross multiply
    40,205.23x = 55,485.89 × 22,300.99
  4. Step 4: Simplify right side
    40,205.23x = 1,237,390,278.03
  5. Step 5: Solve for x
    x = 1,237,390,278.03/40,205.23
  6. Step 6: Final answer
    x = 30,776.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.